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-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c63
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c21
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h5
3 files changed, 73 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index dfd35822cdab..e3cc19e19199 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -3834,9 +3834,50 @@ static bool intel_ddi_compute_config(struct intel_encoder *encoder,
}
+static void intel_ddi_encoder_suspend(struct intel_encoder *encoder)
+{
+ struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+
+ intel_dp_encoder_suspend(encoder);
+
+ /*
+ * TODO: disconnect also from USB DP alternate mode once we have a
+ * way to handle the modeset restore in that mode during resume
+ * even if the sink has disappeared while being suspended.
+ */
+ if (dig_port->tc_legacy_port)
+ icl_tc_phy_disconnect(i915, dig_port);
+}
+
+static void intel_ddi_encoder_reset(struct drm_encoder *drm_encoder)
+{
+ struct intel_digital_port *dig_port = enc_to_dig_port(drm_encoder);
+ struct drm_i915_private *i915 = to_i915(drm_encoder->dev);
+
+ if (intel_port_is_tc(i915, dig_port->base.port))
+ intel_digital_port_connected(&dig_port->base);
+
+ intel_dp_encoder_reset(drm_encoder);
+}
+
+static void intel_ddi_encoder_destroy(struct drm_encoder *encoder)
+{
+ struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
+ struct drm_i915_private *i915 = to_i915(encoder->dev);
+
+ intel_dp_encoder_flush_work(encoder);
+
+ if (intel_port_is_tc(i915, dig_port->base.port))
+ icl_tc_phy_disconnect(i915, dig_port);
+
+ drm_encoder_cleanup(encoder);
+ kfree(dig_port);
+}
+
static const struct drm_encoder_funcs intel_ddi_funcs = {
- .reset = intel_dp_encoder_reset,
- .destroy = intel_dp_encoder_destroy,
+ .reset = intel_ddi_encoder_reset,
+ .destroy = intel_ddi_encoder_destroy,
};
static struct intel_connector *
@@ -4080,16 +4121,16 @@ intel_ddi_max_lanes(struct intel_digital_port *intel_dport)
void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
{
+ struct ddi_vbt_port_info *port_info =
+ &dev_priv->vbt.ddi_port_info[port];
struct intel_digital_port *intel_dig_port;
struct intel_encoder *intel_encoder;
struct drm_encoder *encoder;
bool init_hdmi, init_dp, init_lspcon = false;
enum pipe pipe;
-
- init_hdmi = (dev_priv->vbt.ddi_port_info[port].supports_dvi ||
- dev_priv->vbt.ddi_port_info[port].supports_hdmi);
- init_dp = dev_priv->vbt.ddi_port_info[port].supports_dp;
+ init_hdmi = port_info->supports_dvi || port_info->supports_hdmi;
+ init_dp = port_info->supports_dp;
if (intel_bios_is_lspcon_present(dev_priv, port)) {
/*
@@ -4130,7 +4171,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
intel_encoder->post_disable = intel_ddi_post_disable;
intel_encoder->get_hw_state = intel_ddi_get_hw_state;
intel_encoder->get_config = intel_ddi_get_config;
- intel_encoder->suspend = intel_dp_encoder_suspend;
+ intel_encoder->suspend = intel_ddi_encoder_suspend;
intel_encoder->get_power_domains = intel_ddi_get_power_domains;
intel_encoder->type = INTEL_OUTPUT_DDI;
intel_encoder->power_domain = intel_port_to_power_domain(port);
@@ -4149,6 +4190,10 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
intel_dig_port->max_lanes = intel_ddi_max_lanes(intel_dig_port);
intel_dig_port->aux_ch = intel_bios_port_aux_ch(dev_priv, port);
+ intel_dig_port->tc_legacy_port = intel_port_is_tc(dev_priv, port) &&
+ !port_info->supports_typec_usb &&
+ !port_info->supports_tbt;
+
switch (port) {
case PORT_A:
intel_dig_port->ddi_io_power_domain =
@@ -4207,6 +4252,10 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
}
intel_infoframe_init(intel_dig_port);
+
+ if (intel_port_is_tc(dev_priv, port))
+ intel_digital_port_connected(intel_encoder);
+
return;
err:
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 3afc3215692b..a9f22a366337 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -5111,9 +5111,6 @@ static void icl_update_tc_port_type(struct drm_i915_private *dev_priv,
tc_type_name(intel_dig_port->tc_type));
}
-static void icl_tc_phy_disconnect(struct drm_i915_private *dev_priv,
- struct intel_digital_port *dig_port);
-
/*
* This function implements the first part of the Connect Flow described by our
* specification, Gen11 TypeC Programming chapter. The rest of the flow (reading
@@ -5148,6 +5145,7 @@ static bool icl_tc_phy_connect(struct drm_i915_private *dev_priv,
val = I915_READ(PORT_TX_DFLEXDPPMS);
if (!(val & DP_PHY_MODE_STATUS_COMPLETED(tc_port))) {
DRM_DEBUG_KMS("DP PHY for TC port %d not ready\n", tc_port);
+ WARN_ON(dig_port->tc_legacy_port);
return false;
}
@@ -5179,8 +5177,8 @@ static bool icl_tc_phy_connect(struct drm_i915_private *dev_priv,
* See the comment at the connect function. This implements the Disconnect
* Flow.
*/
-static void icl_tc_phy_disconnect(struct drm_i915_private *dev_priv,
- struct intel_digital_port *dig_port)
+void icl_tc_phy_disconnect(struct drm_i915_private *dev_priv,
+ struct intel_digital_port *dig_port)
{
enum tc_port tc_port = intel_port_to_tc(dev_priv, dig_port->base.port);
@@ -5225,7 +5223,8 @@ static bool icl_tc_port_connected(struct drm_i915_private *dev_priv,
bool is_legacy, is_typec, is_tbt;
u32 dpsp;
- is_legacy = I915_READ(SDEISR) & SDE_TC_HOTPLUG_ICP(tc_port);
+ is_legacy = intel_dig_port->tc_legacy_port ||
+ I915_READ(SDEISR) & SDE_TC_HOTPLUG_ICP(tc_port);
/*
* The spec says we shouldn't be using the ISR bits for detecting
@@ -5237,6 +5236,7 @@ static bool icl_tc_port_connected(struct drm_i915_private *dev_priv,
if (!is_legacy && !is_typec && !is_tbt) {
icl_tc_phy_disconnect(dev_priv, intel_dig_port);
+
return false;
}
@@ -5545,7 +5545,7 @@ intel_dp_connector_unregister(struct drm_connector *connector)
intel_connector_unregister(connector);
}
-void intel_dp_encoder_destroy(struct drm_encoder *encoder)
+void intel_dp_encoder_flush_work(struct drm_encoder *encoder)
{
struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
struct intel_dp *intel_dp = &intel_dig_port->dp;
@@ -5568,9 +5568,14 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder)
}
intel_dp_aux_fini(intel_dp);
+}
+
+static void intel_dp_encoder_destroy(struct drm_encoder *encoder)
+{
+ intel_dp_encoder_flush_work(encoder);
drm_encoder_cleanup(encoder);
- kfree(intel_dig_port);
+ kfree(enc_to_dig_port(encoder));
}
void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index cb3a055f18c8..1028af8ec2eb 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1237,6 +1237,7 @@ struct intel_digital_port {
/* Used for DP and ICL+ TypeC/DP and TypeC/HDMI ports. */
enum aux_ch aux_ch;
enum intel_display_power_domain ddi_io_power_domain;
+ bool tc_legacy_port:1;
enum tc_port_type tc_type;
void (*write_infoframe)(struct intel_encoder *encoder,
@@ -1809,7 +1810,7 @@ void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp,
bool enable);
void intel_dp_encoder_reset(struct drm_encoder *encoder);
void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder);
-void intel_dp_encoder_destroy(struct drm_encoder *encoder);
+void intel_dp_encoder_flush_work(struct drm_encoder *encoder);
bool intel_dp_compute_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
struct drm_connector_state *conn_state);
@@ -1877,6 +1878,8 @@ bool intel_dp_read_dpcd(struct intel_dp *intel_dp);
int intel_dp_link_required(int pixel_clock, int bpp);
int intel_dp_max_data_rate(int max_link_clock, int max_lanes);
bool intel_digital_port_connected(struct intel_encoder *encoder);
+void icl_tc_phy_disconnect(struct drm_i915_private *dev_priv,
+ struct intel_digital_port *dig_port);
/* intel_dp_aux_backlight.c */
int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector);